Add CLI command for updating with DocToc
Add CLI command for updating with DocToc

+ DocToc deletes the "Generated with DocToc" thank-you shouout when it auto-updates

jhilde/studentinsights,erose/studentinsights,studentinsights/studentinsights,studentinsights/studentinsights,jhilde/studentinsights,jhilde/studentinsights,erose/studentinsights,erose/studentinsights,studentinsights/studentinsights,erose/studentinsights,jhilde/studentinsights,studentinsights/studentinsights